Geometry

5. The __________ of a rectangle are congruent.
7. The __________ angles of a parallelogram are supplementary.
9. A transformation representing a flip of a figure.
11. The __________ of a trapezoid is parallel to and half the sum of the bases.
12. Two angles whose sum equals 180.
14. Opposite over hypotenuse.
16. If two sides of a triangle are congruent, then the angles opposite those sides are congruent is the __________ triangle theorem.
17. A chord that goes through the center of a circle.
20. A portion of a circle with two endpoints.
21. Two angles whose sum equals 90.
23. Through any __________ points, there is exactly one line.
25. A segment whose endpoints lie on a circle.
26. A transformation whose preimage and image are congruent.
27. A __________ arc is an arc with a measure greater than 180.
28. Through any __________ noncollinear points, there is exactly one plane.
30. The __________ property states if a = b, and b = c, then a = c.
31. c^2 = a^2 + b^2 is the __________ theorem.

1. An if-then statement formed by exchanging the hypothesis and conclusion.
2. __________ lines never intersect.
3. A quadrilateral with both pairs of opposite sides parallel.
4. The point that splits a segment into two congruent segments.
6. __________ lines intersect to form right angles.
8. The intersection of two __________ is a line.
10. A __________ polygon is both equilateral and equiangular.
12. A triangle with no congruent sides.
13. The intersection of two __________ is a point.
15. Anything that splits an angle into two congruent angles is an angle __________.
18. A line that intersects two or more lines at different points.
19. Same size and shape.
22. A quadrilateral with four congruent sides.
24. Points that lie on the same line.
29. An angle whose sides are radii and vertex is at the center of a circle.